66104358 has 32 divisors (see below), whose sum is σ = 135690720. Its totient is φ = 21461760.

The previous prime is 66104351. The next prime is 66104359. The reversal of 66104358 is 85340166.

66104358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66104358² = 8739572293184328, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66104351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39066 + ... + 40722.

It is an arithmetic number, because the mean of its divisors is an integer number (4240335).

Almost surely, 2^66104358 is an apocalyptic number.

66104358 is an abundant number, since it is smaller than the sum of its proper divisors (69586362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66104358 is a wasteful number, since it uses less digits than its factorization.

66104358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66104358 is about 8130.4586586490. The cubic root of 66104358 is about 404.3368877394.

The spelling of 66104358 in words is "sixty-six million, one hundred four thousand, three hundred fifty-eight".